Wire-stay-bending machine.



No. 642,296. Patented Ian. 30, I900. C. C. CARTER.

WIRE STAY SENDING MACHINE.

(Application filed Mar. 25, 1899.) (No Model.) 2 $haets$heat I llllllll mil:

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(No Model.)

NlTh STATES PATENT FFICE.

CURTIS CORSAIR CARTER, OF BLUFFS, ILLINOIS.

WIRE-STAY-BENDING MACHINE.

SPECIFICATION forming part of Letters Patent No. 642,296, dated January 30, 1900.

Application filed March 25, 1399.

To all whom it may concern.-

Be it known that I, CURTIS CORSAIR OAR- TER, of Bluffs, in the county of Scott and State of Illinois, have invented certain new and useful Improvements in Machines for Bending "Wire, of which the following is a specification, reference being had to the accompanying drawings and to the numerals of reference marked thereon.

This invention has reference to a machine for forming loops in wire-fence stays and securing the attaching-wires therein.

The object of the invention is to form simultaneously the several loops or bends in such vertical wire stays or pickets as are described in Patent No. 588,896, granted August 24, 1897, to Cyrus 0. Carter. At the same time that the loops are formed fastening-wires for securing the stays to the strandwires are placed within the loops, which are or may be equal in number to the number of strand-wires.

Referring to the drawings, Figure 1 is a side elevation of my device in its preferred form. Fig. 2 is a plan view, and Fig. 3 is an end elevation thereof. Fig. 4. is a cross-section on the line 4: l of Fig. 1. Fig. 5 is a View of the twister-head in section. Fig. 6 is a plan view of the twister-head, illustrative of the mode of making the loop. Figs. 7 and 8 are plan views of modifications of the twisterhead. Fig. 9 is a plan View of a modified form of my machine. Fig. 10 illustrates a further modification of the twister-head.

Similar numerals of reference indicate similar parts in the several figures.

End frames 1 2, attached to any suitable base, are connected at the top by longitudinal tie-rods 3, parallel to each other and preferably lying in the same plane. In a lower plane, but in the median line between them, is a longitudinal shaft 4, square in cross-section, as shown, and journaled in bearings 5 in the end frames 1 2. A crank 6, fitted on the shaft at one end, serves to turn it when desired.

Slidably mounted on the tie'rods 3 are a series of twister-carriers 15, each carrier being formed of a pair of rods 7 8, bolted to a shaftbearing 9, as shown, each bearing 9 carrying a short shaft 10. A twister-head or loopformer 11- is fixed to the upper end of each Serial No. 710,441. (No model.)

of the parts being such that on rotating the shaft by hand or other power the twisterheads or loop-formers will through the gearing be turned sufliciently to form loops in a wire placed on the twister-heads, as hereinafter described.

Spiral springs 16 surround the tie-rods 3, two being between each adjacent pair of twister-carriers 15 and between each end twister-carrier and the frame.

The twister-head or loop-former 11, which is shown enlarged in Figs. 5 and 6, has a body of pyramidal or conical form adapted to be secured to the upper end of a shaft 10. The apex, which supports the stay-wire, may be variously formed-as, for instance, a notch 17 (shown in Figs. 1 to 6) may be made therein, or the apex may be flattened and provided with two, three, or more pins 18, projecting upwardly therefrom. through the body of the twister-head from the base to the apex, through which is passed the fastening-wire to be attached to the loop in the stay-wire during its formation. A knife 20, secured to the base of the twister-head, cuts the fastening-wire to the proper length at the beginning of rotation of the twister head.

A lever 21 is pivoted to the end frame 1 and extends longitudinally of the machine above the twister-heads, one of the sides of the lever being beveled at an angle similar to that of the side of the twister-head. The 1cver 21 is held above the twister-head by means of a spring or counterweight. (Not shown.)

The operation of the machine is as follows: A wire 22 of suitable length for a stay or a length of wire from a reel is placed in the notches 17 or between the pins 18 of I the twister-heads. Through the holes 19 in the several twister-heads wires 23 are passed upwardly from the bottom a distance substantially equal to the length of the twister-heads, the wires standing in the position shown in dotted lines in Fig. 5. The lever 21 is now brought down, bending each of the wires 23 A hole 19 is made.

into the form of a staple, and immediately raised, after which the shaft 4: will be given a rotation, which will cause the twister-heads to turn in the direction indicated by the arrow in Fig. 6 far enough to complete the loops. At the beginning of rotation the knives 20 sever the fastening-wires 23 from the portions leading from the reels. As the twister-heads take up wire to form the sev- 1 the levers being of different lengths andpivoted to a bar 32, by which the twister-carriers 15 are returned to normal position "after forming the loops. p

The modified form of twister-head illustrated in Fig. 10 consists of a cylindrical body 11, attached to a shaft 10, th'e' two having a common axis of rotation. Projecting from the face of the twister-head are two studs or pins 18, providinga guide for the staywire 22 and also a support for the wire 23, which latter wire crosses the twistei head at a right angle to the wire 22. The staplewire 23 is passed over the support formedby the'studs 18 and bent into the shape indicated by a lever similar tolever 21, but so arranged as to bend the'sta'ple-wire downwardly on both sides of the studs by thesame'operation. twisfer-headis revolved, bending the stay- After shaping the staple-wire the wire'i'n the same manner as in the other formsof twister-head. A knife20, fined to the periphery of the twister-head in the position shown, severs the staple-Wire at the beginni'ng of rotation of the twister.

The use of my invention greatly facilitates and cheapens the'manufacture of such a wire fence as is described in the said Letters Patcut; and the work done is stronger, heater, and more uniform in its character than similarwork'do'ne by hand.

Having thus described my invention,what Ielaim is-- 1. In a machine for bending w re, thecombinatien of a frame, a series of twister-earriersslidably mounted thereon, twister-heads journaled in the carriers,a'nd means for rodating the twister-heads, substantially as set forth.

2. Ina machine for bending wirefthe combination of'a frame, 'a'series' of t'wister-heads.

mounted therein andadapted'tO move toward and from each otherfand means for "rotating the 'twister heads, substantially asset forth.

3. In a machine for bending wire, the'combination of a frame,a series of twister-heads mounted therein'and adapted to move toward each other while in operation, and means for moving them away from each other when the product is removed from the machine, substantially as set forth.

, 4. In a machine for bending wire, the combination of a frame, twister-heads mounted therein and adapted to move toward and from each other, and a lever adapted to coact with the twister-heads, substantially as set forth.

5. In a machine for bending wire, the combin'ation'of a frame, a series of twister-carriers slidably mounted thereon, twister-heads journ aled in the carriers, spiral springs separating the twister-carriers from each other and from the end plates of the frame, and means for rotating the twister-heads, sub: stantially as set forth.

'6. In a machine for bending wire,the combination of a frame, a series of twister-carriers slidably mounted thereon, a twisterhead fixed to a shaft joum'aled in each of the carriers, a bevel-gear'on each shaft, a "bevelpinion in engagement with each bevel-gear, and a shaft common to all't'he pi'nions, substantially asset forth.

7. In a machine for bending Wire, the combination of'a frame, a'series'of twister-carriers slidably mounted thereon, a t'wist'e'rhead fixed to a shaft journaled in each of the carriers, a leverpivo'ted tothe frame andadapted to coact simultaneously with the series of twister-headsfa bevelgear 'on each of said shafts, a bevel-pinion in engagement with each bevel-gear, and a shaft common to all the pinions, substantially as set forth.

8. In a machine for bending wire, the combination of a frame,aseries of twister-carriers slidably mounted thereon, spiral springs betweenadjacent carriers, and the endcarriers and the frame, a twister-head fixed to a s'haft journaled in each of the carriers, a lever pivoted to the frame and ad'apted'to c'oact simultaneously withthe series of twister-heads, a bevel-gearon each of said shafts, a bevel-pinion 'ineng'agem'ent with each bevel-gear, and ashaft common to all the pinions, substantially as "set forth.

9. At'wistenheadof pyramidal or conical form, having projectionsat itsapex between which the material to be'bent is placed, and an opening or hole extending from its base upwardly'to or nearthe apex,substantially asset forth. v p

10. A twister-head of pyramidal or'conical form, having projections'at its apex between whieh the material to be bent is placed,'an opening. or hole extending from its'ba'se upwardly to or near its apex, and a knife secured to the baseand extending'outwardly, substantially as set forth.

11. A t'wister-head for wire-bending inachines,havingaguide for the wire to 'bebent, combined with means for carrying a wire crossing the twister-head andthe first-named wire, substantiallyas set forth.

12. A twister-head for wire-bending ma chines, having projections at its top between which the wire to be bent is placed, combined with means for carrying a wire crossing the twister-head and the first-named wire, sub stantially as set forth.

18. A twister-head for a wire-bending machine, having a guide for the wire to be bent, means for supporting a wire crossing the twister-head and the first-named wire, and a knife on the twister-head for severing one of the wires, substantially as set forth.

14. A twister-head for a Wire-bending machine, having projections at its top between which the material to be bent is placed, means for supporting a Wire crossing the twister-head and the first-named wire, and a knife carried by the twister-head for severing one of the wires, substantially as set forth.

15. In a machine for bending wire, the combination of a series of twister-carriers, twisterheads journaled in the carriers, springs separating the twister-carriers from each other, and means for rotating the twister-heads, substantially as set forth.

16. I11 a machine for bending wire, the combination of aframe, a series of twister-heads movable thereon during rotation, and means for rotating the twister-heads, substantially as described. 7

17. In a machine for bending wire, the combination of a frame, a series of twister-heads relatively movable thereon during rotation, and means for rotating the twister-heads, substantially as described.

18. In a machine for bending wire, the combination of a frame, aseries of twister-carriers thereon, twisterheads journaled in the carriers, and means for rotating the twisterheads, the said carriers being capable of relative movement during the rotation of the twister-heads, substantially as described.

19. In a machine for bending wire, the combination of a frame, twister-heads movable thereon independently of each other during rotation, and means for rotating the twister heads, substantially as described.

20. In a machine for bending wire, the combination of a frame, twister-carriers thereon, twister heads mounted in the carriers, and means for rotating the twister-heads, each of the said carriers being capable of independent movement during the rotation of the twisterheads, substantially as described.

21. In a machine for bending wire, the combination of a frame, a series of automaticallymovable rotatable twister-heads thereon, and means for rotating the twister-heads, substantially as set forth.

22. In a machine for bending wire, the com bination of a frame, a series of twister-carriers capable of automatic relative movement thereon, twister-heads journaled in the carriers, and means for rotating the twisterheads, substantially as set forth.

.3. In a machine for bending wire, the combination of a frame, a series of twister-heads capable of automatic relative movement thereon, and means for rotating the twisterheads, substantially as set forth.

24. In a machine for bending wire, the combination of a frame, twister-heads capable of automatic movement thereon independently of each other, and means for rotating the twister-heads, substantially as set forth.

25. In a machine for bending wire, the co1n= bination of a frame, twister-carriers capable of automatic movement thereon independen tly of each other, twister-heads mounted in the carriers, and means for rotating the twister-heads, substantially as set forth.

In testimony whereof I hereunto set my hand and seal.

CURTIS CORSAIR CARTER.

Witnesses:

A. W. BAIRD, HARRY B. MYERS. 

